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|Last modified||2013-05-29 20:53:41|
MPFR is a portable C library for arbitrary precision floating-point computations *with correct rounding*. It is based on the GNU MP library. It aims to provide a class of floating-point numbers which is both efficient and has a precise semantics. The main characteristics of MPFR, which make it differ from most arbitrary precision floating-point software tools, are:
- Portability, i.e., the result of any operation does not depend on the machine word size mp_bits_per_limb;
- The precision in bits can be set *exactly* to any valid value for each variable;
- Provides the four rounding modes from the IEEE 754-1985 standard, plus away-from-zero, as well as basic operations for other mathematical functions.
This is a ''Generic C'' build that should run on any CPU, in any OS.
This is a static library.
This ideally should be used with GMP 5.1.2, but probably 4.1.0 or later will work.
The latest documentation is included in HTML and PDF formats.
Note: For absolute fastest speed, MPFR should be manually built on each target environment. This is especially true for 64-bit environments, as this build is only optimized for 32-bit environments.
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